Toyota Sienna Service Manual: Terminals of ECU
1. CHECK DISTANCE CONTROL ECU
- Reference: waveform 1
HINT:
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 ms./DIV.
- Condition: ignition switch in the ON position
- Reference: waveform 2
HINT:
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 ms./DIV.
- Condition: ignition switch in the ON position
2. CHECK ECM
If the value is not within the specified range, the ECM may have a malfunction.
3. CHECK LASER SENSOR
- Reference: waveform 1
HINT:
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 ms./DIV.
- Condition: ignition switch in the ON position
- Reference: waveform 2
HINT:
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 ms./DIV.
- Condition: ignition switch in the ON position
4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The likely causes of the problem are
indicated in descending order. Check each suspected area
in order. Re ...
Diagnosis system
1. DIAGNOSIS FUNCTION
The diagnosis function makes the light and the
multi-information display come on, and the CRUISE
main indicator light blink as shown in the illustration.
When ...
Other materials:
Installation
1. INSTALL VVT SENSOR (for Bank 2 Exhaust Side)
Install the VVT sensor with the bolt.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
Connect the VVT sensor connector.
2. INSTALL VVT SENSOR (for Bank 2 Intake Side)
Install the VVT sensor with the bolt.
Torque: 10 N* ...
Removal
1. Remove rear wheel
2. Remove skid control sensor wire (for 2wd)
Hint:
(see page sp-38)
hint:
disconnect the rh side by the same procedures as the
lh side.
3. SEPARATE SPEED SENSOR REAR LH (for 4WD)
HINT:
(See page SP-38)
4. SEPARATE SPEED SENSOR REAR RH (for 4WD)
HINT:
Separate the RH ...
Manual shifting test
1. Perform manual shifting test
Hint:
With this test, it can be determined whether the
trouble occurs in the electrical circuit or is a
mechanical problem in the transaxle.
If any abnormalities are found in the following test, the
problem is in the transaxle itself.
(A) disconnec ...
